This page is reserved for news and resources related to the book
• Free Nautial Almancs to download.
• Excellent way to check intermediate steps from any sight reduction method: Celestial Tools by Stan Klein (plus other useful cel nav resources)
• Time signal
information from Pub 117 see also this note from USNO on UT
• Article on the Solar Index Correction Method
Books on celestial navigation from Starpath (also available as ebooks)